"""用于将所有设置存储在一个地方"""

class Settings():
    """存储《外星人入侵》的所有设置"""
    def __init__(self):
        """初始化游戏的设置"""
        #屏幕设置    
        self.screen_width = 1200
        self.screen_height = 800
        self.bg_color = (230, 230, 230)

        self.ship_speed_factor = 1.5
        self.ship_limit = 3

        #子弹设置
        self.bullet_speed_factor = 3
        self.bullet_width = 300
        self.bullet_height = 15
        self.bullet_color = (60, 60, 60)
        self.bullets_allowed = 3
        #外星人设置
        self.alien_speed_factor = 1
        self.fleet_drop_speed = 30
        self.alien_points = 50
        #加快游戏节奏的速度
        self.speedup_scale = 1.5
        #外星人点数的提高速度
        self.score_scale = 1.5
        #fleet_direction为1表示向右移动，-1向左
        self.fleet_direction = 1
       

    def inscrease_speed(self):
        """提高速度设置和外星人点数"""
        self.ship_speed_factor *= self.speedup_scale
        self.bullet_speed_factor *= self.speedup_scale
        self.alien_speed_factor *= self.speedup_scale

        self.alien_points = int(self.alien_points * self.score_scale)
        print(self.alien_points)
        


    